CPC Subgroup
H04L 61/45 Network directories; Name-to-address mapping
Full Title
Network arrangements, protocols or services for addressing or naming > Network directories; Name-to-address mapping
11 direct subcodes
Child Classifications
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- H04L 61/4505 using standardised directories; using standardised directory access protocols
- H04L 61/4535 using an address exchange platform which sets up a session between two nodes, e.g. rendezvous servers, session initiation protocols [SIP] registrars or H.323 gatekeepers
- H04L 61/4541 Directories for service discovery
- H04L 61/4552 Lookup mechanisms between a plurality of directories; Synchronisation of directories, e.g. metadirectories
- H04L 61/4557 Directories for hybrid networks, e.g. including telephone numbers
- H04L 61/4588 containing mobile subscriber information, e.g. home subscriber server [HSS]
- H04L 61/4594 Address books, i.e. directories containing contact information about correspondents (telephone directories in user terminals H04M1/27453)